A 1:250 dilution of SPC-952 was sufficient for detection of CLK1 (pSer337 + pThr338) in 10 µg of 293T cell lysate by ECL immunoblot analysis using goat anti-rabbit IgG:HRP as the secondary antibody.
Biological Description
Alternative Names
CDC like kinase 1 Antibody, CDC28/CDC2 like kinase Antibody, CLK Antibody, CLK/STY Antibody, CLK1_HUMAN Antibody, Protein tyrosine kinase STY Antibody, STY Antibody
Research Areas
Cell Signaling, DNA/RNA, Epigenetics and Nuclear Signaling, Protein Phosphorylation, RNA Processing, Serine / Threonine Kinases, Tyrosine Kinases
Cellular Localization
Nucleus
Accession Number
NP_001155879
Gene ID
1195
Swiss Prot
P49759
Scientific Background
The CDC-like kinase 1 (CLK1) dually phosphorylates serine- and arginine-rich proteins of the spliceosomal complex, which constitutes a network of regulatory mechanisms that enable SR proteins to control RNA splicing. Specifically, CLK1 may mediate the release of specific proteins from nuclear storage sites. Expression of CLK1 may be very low due to a premature stop codon in the mRNA, which leads to nonsense-mediated mRNA decay. CLK1 activity is positively regulated by phosphorylation on either tyrosine residues or serine/thre-onine residues. CLK1 activity is negatively regulated by steric constraints mediated by the N-terminal domain and also by phosphorylation on a subset of serine/threonine residues within the catalytic domain.
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Biotin
Properties:
Binds tetrameric avidin proteins including Streptavidin and neuravidin with very high affinity
Molar mass: 244.31 g/mol
Formula: C10H16N2O3S
Applications: Western blot, immunohistochemistry, and ELISA
① 电泳分离4种核苷酸时应取pH3.5 的缓冲液，在该pH时，这4种单核苷酸之间所带负电荷差异较大，它们都向正极移动，但移动的速度不同，依次为：UMP>GMP>AMP>CMP； ② 应取pH8.0，这样可使核苷酸带较多负电荷，利于吸附于阴离子交换树脂柱。虽然pH 11.4时核苷酸带有更多的负电荷，但pH过高对分离不利。 ③ 当不考虑树脂的非极性吸附时，根据核苷酸负电荷的多少来决定洗脱速度，则洗脱顺序为CMP>AMP> GMP > UMP，但实际上核苷酸和聚苯乙烯阴离子交换树脂之间存在着非极性吸附，嘌呤碱基的非极性吸附是嘧啶碱基的3倍。静电吸附与非极性吸附共同作用的结果使洗脱顺序为：CMP> AMP > UMP >GMP。
